Washington County
Washington County has roughly average household income, with a median household income of $77,747. Population has grown 18% since 2000. Median home value has more than doubled since 2000, reaching $296,100. It sits in the top 10% of US counties for household income. Households here earn about 25% less than the Maryland median.
Population & growth
PEP 2025 EST:157,731 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 8 more hispanic origin groups with data
+ 43 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Washington County
Compare Washington County to nearby counties
How many people live in Washington County, Maryland?
Washington County, Maryland has about 155,709 residents according to the 2024 American Community Survey.
What is the median household income in Washington County, Maryland?
The typical household in Washington County, Maryland earns about $77,747 a year. Half of households make more than that, and half make less.
Is Washington County, Maryland expensive?
In Washington County, Maryland, the median home is worth about $296,100, and the typical rent is about $1,147 a month.
How educated are people in Washington County, Maryland?
About 24.1% of adults age 25 and over in Washington County, Maryland hold a bachelor's degree or higher.
What is the poverty rate in Washington County, Maryland?
About 12.4% of people in Washington County, Maryland live below the federal poverty line.
Has Washington County, Maryland grown since 1990?
Yes, Washington County, Maryland has grown since 1990. The population has added about 34,316 residents, a change of about 28 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024